I'm a mid masters random player who used to play Terran but felt like other races were "stronger" in the sense that they we're easier. In no way am I stating this as a fact, it is simply just my perspective after playing random for almost 3 months now. I urge that you please do not take this as an aggressive proposition, I simply want your opinions on the future of the Terran player base. Don't get me wrong; Zerg and Protoss are VERY difficult in their own ways and many times I have struggled, losing to simple builds such as 2factory mass hellions as zerg and multi pronged drops as Protoss. Of course these things I overcame over time.
According to SC2ranks, over the last year the Terran player base has been diminishing. I'm sure you are all well aware of this and have heard threads about it numerous times.
The general thesis is that Terran is simply "too hard", requiring better unit control, solid mechanics and higher apm than the other two races. To be honest I don't completely agree with this.
What I believe is that Protoss and Zerg both have a favorable aspect which I believe allows for them to be more 'Safe' or 'Prepared' or 'Advantageous'. Lets look at Protoss first.
Without a doubt, I would say that the Protoss army has the best ratio of Power:Mobility in the game. We all know what it is, the Protoss death ball. The Protoss army is almost always ready for battle (unless ghosts or fungal is involved). The army cannot be poked, it can only be engaged directly with good position if one was to come out the victor. The Protoss death ball has the advantage of making many positions on the map viable for an engagement. It is mostly the Terran or Zerg's obligation to find the best positioning available for an engagement which can be extremely difficult and very unrewarding if small mistakes are made. I would say that this is mainly because of the colossus and most certainly smart casting. If a Protoss finds himself in a bad position, with ease, in most situations, the Protoss can retreat to safety (FF can also play a part in this).
Due to the softness of vikings (in comparison to the corrupter), the Terran player can also easily lose his armies backbone if vikings are positioned poorly. Again with colossus having the ability to stand within the army amongst the anti air units, It can also become very difficult to find this positioning.
Hence putting lesser skilled Terrans diamond -> masters and even Grandmasters at a larger disadvantage in core battles. Zergs high mobility allows for safety vs Protoss.
Now Zerg I believe have an unbelievable advantage against Terran which I discovered over the last month or so. Building 5 queens at the start of a game vs Terran is one of the greatest most beneficial strategies you can choose. The focus required to spread creep against the focus required to kill the creep is heavily in favor of the Zerg I believe. With 5 queens you can spread tremendous amounts of creep which gives Zerg the most important thing that they need and a little bonus: Vision and MORE SPEED. As if speed-lings aren't fast enough! .
Now lets discuss killing creep as a Terran. To me it is as important to defend creep tumors as it is to defend a drop. When a Terran sends a squad of tumor killers, you make it a high priority to destroy that squadron. And when you have 8 tumors next to each other, it's really not hard to defend the tumors at all. To be straight forward with you, Terran's creep tumor denial abilities are extremely poor and easily countered. I believe the most effective way for a Terran to kill creep tumors is banshee raven, but of course like I said, easily counter able. Mutalisks and Infestors. Both units death with this substantially well and also any other creep destroying squadron. I have even found beneficial to make 4-5 Spine crawlers and move them with my creep tumors, it denies squadrons completely.
Finally when Terran is to engage the Zerg army, everyone knows that creep is the deadliest place to be. Units are faster and Zerg is given vision. Terrans only means of AoE are tanks. Tanks are a siege unit. Siege tanks take 2 seconds to assume siege mode. Any small mistakes, and like VS Protoss, the backbone of the Terran army disappears and like most situations for a Terran, you endure extremely cost inefficient battles and are put in a devastating position to come back from.
You may say, "Terran should have leap frogged' his tanks" (For those who don't know this term, it is when you leave some tanks siege'd and move un-sieged tanks forward, proceeding forward). Creep ultimately will slow down any timing push made by the Terran. If The Terran is to Leap frog his tanks forward, more time is given for the Zerg to prepare units, or even get in a great position to engage. Timing pushes ultimately work best when there is not creep. However with creep becoming harder and harder to deny, the Terran's strongest means of attack, the 'Timing push' is now at a disadvantage.
I have seen countless footage of Korean Terrans losing to zerg because they push their luck by walking a few extra cm on creep. The Terran may even scout arrowhead (Lead with a marine far beyond the pack) and siege when he see's the Zerg army, but you must truly understand the speed of Zerg units on creep. Tanks might get 2 shots off on lings depending on how far out you siege your tanks.
EDIT: I might as well add that Protoss players do not need to deal with creep the same way Terran players do due to the colossus' mobility.
Now I'm not saying Terran is underpowered on a Korean professional level, however on a lower level I would argue they are. Every race has their strengths and their weaknesses of course (perhaps the 5queen is a little too strong), however I am saying, that at a until a certain level of skill, Playing Terran is ultimately and uphill battle especially with the current map designs such as Entombed valley which is heavily Protoss favoured due to the ability to take a 3rd which is very easy to defend. This would explain why there are such low numbers of foreign pro Terrans, and would also explain the diminishing number of Terrans on ladder.
So my conclusion is to be that Terran will most likely remain the lowest played race due to mechanical issues. Unless perhaps there is to be innovative map design that allows for Terran to have easier access to advantageous positioning vs Protoss. I think the Zerg aspect is Fixable so we could see a change there. If tanks were made more viable vs Protoss then it would be a game changer. Of course I forgot to mention that when I say TvP i'm talking Bio which is the standard play.
This would also explain why Terrans all in so much on ladder I imagine XD
So there you have it. These are the conclusions I've drawn from playing all three races and I think I make some valid points. Please discuss and do not argue aggressively. This thread is in no way to cause trouble and I hope you can all sympathize for Terrans but keep crushing, would you not rather lose to a Terran with skill rather than a Terran who only knows all in?
Edit: I'm sure you have all seen the graphs of the Korean players losses to Foreigners. Terran has the highest amount of deaths to foreign Protoss and Zerg. Foreign Terrans however very rarely defeat a Korean Terran. I will try find a link
http://www.teamliquid.net/forum/viewmessage.php?topic_id=385876 ~ there you go, please scroll down.